What is IC Design Virtualization?

Find out more with our IC design virtualization white paper series:

  • Design Virtualization and Its Impact on SoC Design

  • Design Virtualization Technology for Low-Power ASICs


See Our Complete
IP Catalog

Our complete portfolio of customizable semiconductor IP and I/Os is available at

Executive Team

Jack Harding, President, and CEO, eSilicon Corporation

Jack Harding, President and CEO

Jack Harding is responsible for eSilicon's overall leadership, strategy and management.

Mr. Harding brings more than 25 years of management experience in the semiconductor industry, spanning the electronic design automation (EDA) and IC sectors. Prior to co-founding eSilicon in 2000, Mr. Harding was the president and CEO of Cadence Design Systems. Mr. Harding entered Cadence upon the acquisition of Cooper & Chyan Technology (CCT), where he served as the president and CEO, and was responsible for leading the company to an IPO. Prior to CCT Mr. Harding served as the executive vice president of Zycad Corporation. Mr. Harding began his career with distinction at IBM.

Mr. Harding maintains a balanced career, providing his services to industry, academia and government. He has held various directorships in both public and private organizations and currently serves on the boards of directors of Advanced Micro Devices (AMD) and Qorvo (previously RF Micro Devices). Mr. Harding has also held leadership roles at Drew University and Indiana University (IU) where he was vice chairman of the board of trustees and a member of IU's premier School of Public and Environmental Affairs (SPEA) advisory board, respectively.

In the public policy arena, Mr. Harding has served as a member of the prestigious Steering Committee at the U.S. Council on Competiveness and was a former National Academies' Committee member for Software, Growth and the Future of the U.S. Economy. In 2010, Mr. Harding was elected as the new value chain producer director to the board of directors of the Global Semiconductor Alliance (GSA). Prior to this, Mr. Harding served a three-year term on the GSA board as a semiconductor director. He also serves on the GSA Finance Committee. He is a frequent international speaker on the topics of innovation, entrepreneurship and semiconductor trends and policies.

Mr. Harding holds a Bachelor of Arts in Chemistry and Economics from Drew University and attended the Stern School of Business at New York University.

Warren Ligan, CFO, eSilicon

Warren Ligan, Chief Financial Officer

Warren Ligan is responsible for the overall management and direction of eSilicon's worldwide finance and corporate development functions.

Mr. Ligan brings more than 30 years of experience in financial and investor relationship management. He served as senior vice president, treasury and investor relations for Flextronics International Ltd. In addition, Mr. Ligan has held financial positions with large, publically traded companies, including Chiquita Brands International, Inc. where he served as CFO; G.D. Searle & Co. and Monsanto Company where he held a position as director, finance and international taxes; and with The Upjohn Company as an international tax counsel and manager, federal compliance.

Mr. Ligan received his Master of Law from DePaul University, a Juris Doctor from the Detroit College of Law and a Bachelor of Business Administration from Walsh College. He served in the U.S. Army from 1971-1976, receiving the Army Meritorious Service medal for outstanding accomplishment.

Hao Nham, Vice President, Engineering, eSilicon

Hao Nham, Vice President, Engineering

Hao Nham is responsible for eSilicon's engineering and design organizations and initiatives.

Mr. Nham brings more than 20 years of experience in high technology product development, with extensive experience in advanced software products and IC and system design methodology. Prior to joining eSilicon, Mr. Nham was vice president of engineering at Cadence Design Systems, where he was responsible for advanced IC extraction and analysis and formal verification products. From 1992 to 1998, he held engineering director positions at Lucent Technologies. Mr. Nham started his career at Bell Labs, where he held a broad range of important technical and management positions.

Mr. Nham holds Bachelor of Science and Masters of Electrical Engineering degrees from the University of Texas at Austin.

Patrick Soheili, Vice President and General Manager, IP Solutions, eSilicon

Patrick Soheili, Vice President, Product Management and Corporate Development

Patrick Soheili is responsible for eSilicon's corporate development activities and product management initiatives worldwide.

Mr. Soheili has over 25 years of demonstrated success at several leading high tech companies. Mr. Soheili has been president and CEO of On Demand Microelectronics, Cradle Technologies and Softcoin. He was a founding partner of Barrington Partners, a technology-focused venture capital firm, from 1998 to 2002. Mr. Soheili was vice president of sales and marketing for Invox Technology. Prior to Invox, he was a senior executive with Altera Corporation. Before Altera, he spent several years in various marketing management positions with AMD and TRW.

Mr. Soheili holds a Bachelor of Science in Mathematics from University of California, Santa Barbara and a Masters of Business Administration from Purdue University.

Mike Gianfagna eSilicon VP marketing

Mike Gianfagna, Vice President, Marketing

Mike Gianfagna is responsible for eSilicon's global marketing activities.

Mr. Gianfagna has over 30 years of business and technology experience in semiconductors and EDA. Most recently, Mr. Gianfagna was vice president of corporate marketing at Atrenta, Inc., a privately held EDA company. Prior to Atrenta, he was president and CEO of Aprio Technologies, a venture- funded design-for-manufacturability startup. Before Aprio, he was an early employee of eSilicon Corporation. Mr. Gianfagna has also held senior management positions at Cadence Design Systems, Zycad Corporation, General Electric and Harris Semiconductor (now Intersil). His career began at RCA Solid State, where he was part of the team that launched the company's ASIC business.

He holds a Bachelor of Science in Electrical Engineering from New York University and a Master of Science in Electrical Engineering from Rutgers University.


Ajay Lalwani, Vice President, Global Manufacturing Operations

Ajay Lalwani is responsible for eSilicon's operations, procurement and information technology functions.  Prior to this latest appointment, Mr. Lalwani was vice president of sales for eSilicon's semiconductor manufacturing services.  During his tenure at eSilicon, he has also had responsibility for eSilicon's ASIC product line, as well as strategic sourcing and supplier management.
Before joining eSilicon, Mr. Lalwani co-founded Cubic Micro Inc., a sales representative firm with offices in Silicon Valley, Japan and Singapore.  Prior to that Mr. Lalwani was vice president of the ASIC Business Unit of Renesas Technology America Inc.  Before Renesas, he served as senior director of worldwide business development for Chartered Semiconductor while living in Singapore.  He also held management positions at Samsung Semiconductor Inc. and Mitsubishi Electronics. 

Mr. Lalwani received his Bachelor of Science in Electrical Engineering and Masters of Business Administration from Santa Clara University.

Linda Rogers, Vice President, Human Resources, eSilicon

Linda Rogers, Vice President, Human Resources

Linda Rogers is responsible for all human resources activities worldwide.

Ms. Rogers has over 17 years experience working as an international HR executive. Her most recent role was managing her own consulting company where she worked with many Silicon Valley technology organizations to develop international human resources strategy. Prior to that, she spent seven years at Sun Microsystems in both senior HR leadership and strategy development roles, most recently as senior director of strategy, global communities. She has also held several HR roles with Computer Sciences Corporation (CSC) in the U.S. and Europe.

Ms. Rogers received her Master of Science in Human Resources and Training from the University of Leicester and holds multiple strategy and human capital qualifications from the National College of Ireland, University of Southern California (USC) and Stanford University.


Rob Cadman, Vice President of Global Sales

Rob Cadman is responsible for eSilicon's sales activities worldwide.

Mr. Cadman has over 20 years of experience in global semiconductor sales and operations management. Before coming to eSilicon, he was vice president of worldwide sales and key account management for Ericsson. Prior to Ericsson, he held senior sales management positions at Dallas Semiconductor (now Maxim) and Cypress Semiconductor.

Mr. Cadman holds a Bachelor of Science, with honors, in Electrical and Electronic Engineering from the University of Newcastle Upon Tyne.

Colby Gartin Vice President and General Counsel

Colby Gartin, Vice President and General Counsel

Colby Gartin leads eSilicon's legal department where he is responsible for eSilicon’s commercial agreements, strategic transactions, IP portfolio, litigation and corporate governance matters.

Mr. Gartin has over 17 years of experience advising public and private companies in corporate securities and governance, M&A and strategic transactions, intellectual property matters and commercial transactions. Before joining eSilicon, Mr. Gartin worked at Asyst Technologies, a semiconductor capital equipment company. Mr. Gartin started his career at the law firms of Brobeck Phleger & Harrison and O’Melveny & Myers.

Mr. Gartin received his Bachelor of Arts degree from the University of California at Santa Barbara and his Juris Doctor from Santa Clara University.